body {
  background: #F0F0F3;
}

#div-form {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
}

.right {
	float: right;
}

a.button {
	margin-right: 10px; 
}

[class*="column"] + [class*="column"]:last-child {
	float: left !important;
}

div.mensagens {
	margin-top: 10px;
}

div.mensagem-erro {
	margin-top: 50px;
}